<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>验证码</title>
</head>
<body>
<form action="{$Request.url}" method="post">
    <div><input type="text" name="code" id="code"></div>
    <div>{:captcha_img()}</div>
    <div><input type="submit" value="验证码对不对"></div>
</form>
</body>
</html>